Q.
Normal form of 2x+3y=7 is
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a
x Cosα+y Sinα=7
b
x Cosα+y Sinα=7113 where tanα=32
c
xcosα−ysinα=7, where tanα=23
d
xcosα+ysinα=713, where Tanα=32
answer is D.
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Detailed Solution
Divide by 22+32=13 ∴x.213+y.313=713 i.e., xcosα+ysinα=P where tanα=32
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